| Answer | Crossword Clue |
|---|---|
| cyclometry | measurement by use of a cyclometer, an instrument for measuring revolutions of a wheel |
| cyclometries | CYCLOMETRY, measurement by use of a cyclometer, an instrument for measuring revolutions of a wheel |
| tacheometry | measurement by use of a tacheometer, an instrument for rapidly measuring survey points on a map |
| tacheometries | TACHEOMETRY, measurement by use of a tacheometer, an instrument for rapidly measuring survey points on a map |
| heliometry | measurement by use of a heliometer, an instrument for measuring apparent diameter of the sun |
| heliometries | HELIOMETRY, measurement by use of a heliometer, an instrument for measuring apparent diameter of the sun |
